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136339-18-9

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136339-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136339-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,3,3 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 136339-18:
(8*1)+(7*3)+(6*6)+(5*3)+(4*3)+(3*9)+(2*1)+(1*8)=129
129 % 10 = 9
So 136339-18-9 is a valid CAS Registry Number.

136339-18-9Downstream Products

136339-18-9Relevant articles and documents

Direct Access to Allenylphosphine Oxides via a Metal Free Coupling of Propargylic Substrates with P(O)H Compounds

Yang, Chun-Hua,Fan, Huihui,Li, Huimin,Hou, Shenyin,Sun, Xiangkun,Luo, Donghao,Zhang, Yinchao,Yang, Zhantao,Chang, Junbiao

supporting information, p. 9438 - 9441 (2019/11/20)

A direct and convenient approach for the coupling of propargylic substrates with diphenylphosphine oxide in the presence of Tf2O and 2,6-lutidine has been developed. The method provides a general approach for the construction of attractive allenylphosphoryl skeletons with high atom and step economy under metal free conditions.

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